Home / 6,455.04-9,682.56-2,072.48

Finding the Fourth Proportional to 6,455.04, 9,682.56 and 2,072.48

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Solution

The fourth proportional to 6,455.04, 9,682.56 and 2,072.48 is: 3,108.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455.04 : 9,682.56 = 2,072.48 : x
  2. Step 2: Convert to fraction form
    6,455.04/9,682.56 = 2,072.48/x
  3. Step 3: Cross multiply
    6,455.04x = 9,682.56 × 2,072.48
  4. Step 4: Simplify right side
    6,455.04x = 20,066,911.95
  5. Step 5: Solve for x
    x = 20,066,911.95/6,455.04
  6. Step 6: Final answer
    x = 3,108.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.